package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.CategoryDTO;
import com.sky.dto.CategoryPageQueryDTO;
import com.sky.entity.Category;
import com.sky.mapper.CategoryMapper;
import com.sky.mapper.DishMapper;
import com.sky.result.PageResult;
import com.sky.service.CategoryService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class CategoryServiceImpl implements CategoryService {

    @Autowired
    CategoryMapper categoryMapper;
    @Autowired
    DishMapper dishMapper;
    @Override
    public void save(CategoryDTO categoryDTO) {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO, category);
        if (category.getType() == 1){
            category.setType(StatusConstant.ENABLE);
        }else {
            category.setType(StatusConstant.DISABLE);
        }
//        category.setCreateTime(LocalDateTime.now());
//        category.setUpdateTime(LocalDateTime.now());
//        category.setCreateUser(BaseContext.getCurrentId());
//        category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.save(category);
    }

    @Override
    public PageResult pageQuery(CategoryPageQueryDTO categoryPageQueryDTO) {
        PageHelper.startPage(categoryPageQueryDTO.getPage(),categoryPageQueryDTO.getPageSize());
        Page<Category> page = categoryMapper.pageQuery(categoryPageQueryDTO);
        long total = page.getTotal();
        List<Category> result = page.getResult();
        PageResult pageResult = new PageResult(total,result);
        return pageResult;
    }

    @Override
    public void startOrStop(Integer status, Long id) {
        Category category = Category.builder()
                .status(status)
                .id(id)
                .build();
        categoryMapper.update(category);

    }

    @Override
    public void update(CategoryDTO categoryDTO) {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO,category);
//        category.setUpdateTime(LocalDateTime.now());
//        category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.update(category);
    }

    @Override
    public void deleteById(Long id) {
        Integer count = dishMapper.countByCategoryId(id);
        if (count > 0){
            throw new RuntimeException("当前分类下关联了菜品，不能删除");
        }else {
            categoryMapper.deleteById(id);
        }
    }

    @Override
    public List<Category> list(Integer type) {
        return categoryMapper.list(type);
    }
}
